[Function] Secure Lob API request

[Alex-is-Gonzalez]

Description

We need to refactor how we call Lob API to prevent server side request forgery

Directions:

In file https://github.com/ProgramEquity/amplify/blob/2f7cb92e3140c8753b68abf1ac3c71750b130c47/server/routes/api/lob.js. Highlight lines 256-264

• [ ] Ask Copilot how to refactor for security best practices
• [ ] Ask Copilot how to refactor for security best practices including fixed string

Spec

[Dunridge]

Branch: issue-613

[Dunridge]

Branch: issue-613